What can ...

Benefits:
- Many functions: measure only store, only unloading, unloading and loading, capacity, battery refresh.
- The charge / discharge current and can be set individually in 4 steps for each cell.
- Measurement of the battery capacity is very exact in mAh.
- Refresh function (loads and unloads a battery again and again until it reaches its maximum capacity).
- The operation is easy and intuitive in my opinion. The display informative and attractive way.
- Practical: additional USB connector for charging cell phones, etc.

Disadvantage:
- Inserting the batteries is somewhat tricky.

Conclusion: Very successful product.